Nouveau - Dec 2013 - [Bug 72939] New: [nv96] Freespace 2 open crashes

https://bugs.freedesktop.org/show_bug.cgi?id=72939

          Priority: medium
            Bug ID: 72939
          Assignee: nouveau at lists.freedesktop.org
           Summary: [nv96] Freespace 2 open crashes
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: madman2003 at gmail.com
          Hardware: Other
            Status: NEW
           Version: git
         Component: Drivers/DRI/nouveau
           Product: Mesa

This has been an issue for much longer, it looks to be a memory related
problem. Textures are corrupted and after a little while the card hangs.
I've
confirmed with the binary blob that the hardware works fine.

The errors that i got were:
Dec 20 22:12:41 madman kernel: [   66.490366] nouveau E[  PGRAPH][0000:01:00.0]
TRAP_MP_EXEC - TP 0 MP 0: INVALID_OPCODE at 07d7e0 warp 15, opcode 80070279
00060780
Dec 20 22:12:41 madman kernel: [   66.490379] nouveau E[  PGRAPH][0000:01:00.0]
TRAP_MP_EXEC - TP 0 MP 1: INVALID_OPCODE at 07d7e0 warp 1, opcode 80070279
00060780
Dec 20 22:12:41 madman kernel: [   66.490384] nouveau E[  PGRAPH][0000:01:00.0]
 TRAP
Dec 20 22:12:41 madman kernel: [   66.490390] nouveau E[  PGRAPH][0000:01:00.0]
ch 4 [0x001f91e000 fs2_open[2611]] subc 3 class 0x8297 mthd 0x15f0 data
0x0dd80dd8

This was with a 3.13-rc4 kernel and a very recent git mesa (also tried mesa
9.25, had the same problem).

In general i don't think any graphic intensive runs for a very long time.
It's
just that this one is very easy to make crash.

My question is, what can i do to narrow this down? Keep in mind that this has
been going on for more than 6 months probably (maybe even a year) and I
can't
take my kernel too far back into the past (because my system is compiled
against modern linux headers).

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https://bugs.freedesktop.org/show_bug.cgi?id=72939

Maarten Maathuis <madman2003 at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Hardware|Other                       |x86-64 (AMD64)
                 OS|All                         |Linux (All)

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https://bugs.freedesktop.org/show_bug.cgi?id=72939

--- Comment #1 from Ilia Mirkin <imirkin at alum.mit.edu> ---
This error is telling you that an invalid opcode was attempted to get executed.
On the bright side, envydis agrees that it's an invalid opcode. So either we
have a bug in generating shaders, or it's something more sinister.

If you run a debug mesa build with NV50_PROG_DEBUG=1, it should dump all the
shaders being compiled -- that should at least let us know if we're
generating
the wrong opcodes or not. Basically look for the 80070279 00060780 sequence in
the generated program binaries that are printed out. If you do find it, grab
the whole shader binary as well as the lines that precede it, including the
TGSI that caused it to be generated, and upload that here.

If it's not there, then... that's very unfortunate -- it means some sort
of
memory corruption issue. Let's hope it's the more straightforward
problem.

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https://bugs.freedesktop.org/show_bug.cgi?id=72939

GitLab Migration User <gitlab-migration at fdo.invalid> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |MOVED
             Status|NEW                         |RESOLVED

--- Comment #2 from GitLab Migration User <gitlab-migration at
fdo.invalid> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/1058.

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